Re: PG 15 (and to a smaller degree 14) regression due to ExprEvalStep size

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От Amit Langote
Тема Re: PG 15 (and to a smaller degree 14) regression due to ExprEvalStep size
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Msg-id CA+HiwqEp=vF=0=tUPYz2N3OOp+19CgCrNBgLUUK7SWec_YZ5UQ@mail.gmail.com
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Ответ на Re: PG 15 (and to a smaller degree 14) regression due to ExprEvalStep size  (Amit Langote <amitlangote09@gmail.com>)
Ответы Re: PG 15 (and to a smaller degree 14) regression due to ExprEvalStep size  (Andrew Dunstan <andrew@dunslane.net>)
Re: PG 15 (and to a smaller degree 14) regression due to ExprEvalStep size  (Andres Freund <andres@anarazel.de>)
Список pgsql-hackers
On Fri, Jul 22, 2022 at 2:49 PM Amit Langote <amitlangote09@gmail.com> wrote:
> On Fri, Jul 22, 2022 at 1:13 PM David Rowley <dgrowleyml@gmail.com> wrote:
> > BTW, I was working on code inside llvm_compile_expr() a few days ago
> > and I thought I'd gotten the new evaluation steps I was adding correct
> > as it worked fine with jit_above_cost=0, but on further testing, it
> > crashed with jit_inline_above_cost=0. Might be worth doing both to see
> > if everything works as intended.
>
> Thanks for the pointer.
>
> So I didn't see things going bust on re-testing with all
> jit_*_above_cost parameters set to 0, so maybe the
> llvm_compile_expression() additions are alright.

Here's an updated version of the patch, with mostly cosmetic changes.
In particular, I added comments describing the new llvm_compile_expr()
blobs.

-- 
Thanks, Amit Langote
EDB: http://www.enterprisedb.com

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